Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 370
C. 9
D. 
Answer: A
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The following comparison line graph indicates the number of vehicles sold for a seven week period by two different salespeople. Use the graph to answer the question.
How many more vehicles did Pat sell in the seventh week than did Chris sell in the seventh week?
A. 6 vehicles B. 2 vehicles C. 4 vehicles D. 3 vehicles
Provide an appropriate response.Can the following be simplified without first simplifying the individual radical expressions?7
+ 5
A. No B. Yes
In a classroom there are 13 female students and 9 male students. If a teacher picks a student at random, what is the probability that the student is a female?
A. 
B. 
C. 
D. 
E. 
Use the substitution method to solve the system. x - 5y = -17x - 4y = -7
A. (0, -1) B. (-1, 0) C. (1, -1) D. No solution